Treasure of Nadia: Lighthouse Chest Code

When visiting Albert in Treasure of Nadia, you'll notice the box in his bedroom in the lighthouse. To open it, you need a numerical code with 3 digits. Guessing doesn't help much here, but Albert can give you a few hints.

Here you can see a very faded map of Cape Vedra. The library is marked in red, the cemetery in green and the church in blue. To solve the puzzle we have to do the following:

1. Count the candles on the altar in the church.
2. Count the tall pillars holding up the roof at the library.
3. Count the Celtic crosses in the cemetery.

If you don't make any mistakes, you will get to "684". If you use this code, you can open the chest in the lighthouse. You will find the Rare Guide, with which you can find better treasures.